title: Plan and operation of the National Survey of Ambulatory Surgery.
abstract: The National Survey of Ambulatory Surgery (NSAS), a national probability sample survey of ambulatory surgery visits in hospitals and freestanding ambulatory surgery centers, began operation in 1994. This report traces the development of the survey instruments and procedures, and presents the survey methodology for the NSAS.
authors.affiliation: U.S. Department of Health and Human Services, Centers for Disease Control and Prevention, National Center for Health Statistics, Hyattsville, Maryland, USA.
authors.forename: T
authors.initials: T
authors.lastname: McLemore
authors.forename: L
authors.initials: L
authors.lastname: Lawrence
mesh_terms: D000556:Ambulatory Surgical Procedures / Q000706:statistics & numerical data*; D015982:Bias; D003219:Confidentiality; D003365:Costs and Cost Analysis; D003625:Data Collection; D005069:Evaluation Studies as Topic; D005240:Feasibility Studies; D017408:Guidelines as Topic; D006306:Health Surveys; D006761:Hospitals / Q000706:statistics & numerical data; D006801:Humans; D007407:Interviews as Topic; D011336:Probability; D011786:Quality Control; D015203:Reproducibility of Results; D013531:Surgicenters / Q000706:statistics & numerical data; D011795:Surveys and Questionnaires; D014481:United States / Q000453:epidemiology